| article html file updated | 8 February 2020 06:04 CET | Update | https://www.mdpi.com/2076-3417/7/5/502 |
| article html file updated | 24 September 2019 21:03 CEST | Update | - |
| article html file updated | 3 May 2019 21:38 CEST | Update | - |
| article html file updated | 31 May 2017 09:51 CEST | Update | - |
| article html file updated | 22 May 2017 04:23 CEST | Update | - |
| article html file updated | 17 May 2017 13:59 CEST | Original file | - |
| article xml uploaded. | 17 May 2017 13:58 CEST | Original file | https://www.mdpi.com/2076-3417/7/5/502/xml |
| article pdf uploaded. | 17 May 2017 13:58 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/5/502/pdf |
